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Question No. 9 & Question No. 12
2 Views • Sep 09, 2015
Description
Question No. 9
Q9: Prove the following identity:
(2 sinθ sin2θ)/(cosθ+cos3θ)=tan2θ tanθ
Question No. 12
Q12: Prove the following identity:
(tan θ/2+cot θ/2)/(cot θ/2−tan θ/2)=secθ
Trigonometric Identities
Chapter No 10
Exercise No 10.3
Mathematics
part 1
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